3 years ago

What is this? A - 3 = 9

Mathematics

2 answers:

Damm [24]3 years ago

4 0

Answer:

Step-by-step explanation:

A - 3 = 9

A/9 = 9/9

= A

klio [65]3 years ago

3 0

Step-by-step explanation:

12, 9 plus 3 is 12 jebxuenxhdndb

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Factor: 10x^2-15x=0 ?

e-lub [12.9K]

Like every quadratic equation

$ax^2+bx+c=0$

where $c=0$

$ax^2+bx=0$

we can factor out $x$

$x(ax+b)=0$

And find the two solutions

$x=0,\quad x=-\dfrac{b}{a}$

In this case, the solutions are

$x=0,\quad x=\dfrac{3}{2}$

If you know that $x_1,\ x_2$ are the solutions to the quadratic equation

$ax^2+bx+c=0$

then you can factor the poynomial as

$a(x-x_1)(x-x_2)$

So, in this case, you have

$10x^2-15x = 10(x-0)\left(x-\dfrac{3}{2}\right)=10x\left(x-\dfrac{3}{2}\right)$

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3 years ago

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harina [27]

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3 years ago

For what real values of does the quadratic 12x^2+kx+27=0 have nonreal roots

bija089 [108]

Answer:

k<±36

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tony has 7/8 of a candy bar he wants to split the bar into servings that are 3/10 of the bar how many servings can he make. step

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